occupancy and other expenses (4,200) general, selling, and administrative expenses (4,300) total $(13,000) operating income $7,000 assume that the variable costs consist of food and paper, payroll, 25% of occupancy and other expenses, and 40% of the general, selling, and administrative expenses. a. what is mcdonald's contribution margin? fill in the blank 1 of 1$ 17,155 million b. what is mcdonald's contribution margin ratio? round to one decimal place. fill in the blank 1 of 1 69 % c. how much would operating income increase if same-store sales increased by $1,000 million for the coming year, with no change in the contribution margin ratio or fixed costs? round your answer to the nearest tenth of a million (one decimal place). fill in the blank 1 of 1$ million